Window grating



Oct. 1, 1929. h l. KEMP 1,730,151

WINDOW GRATING Filed Aug. 2, 1927 Z Sheets-Sheet 1 Oct. 1, 1929. KEMP1,730,151

WINDOW GRATING Filed Aug. 2, 1927 h 2 sheets-sheet, 2

. 4 15% 52, f-1. f3 f/ 7 115 29a w l l I V l `a l BY A ,a /c TToRINEY LPatented Oct. 1, 1.929

' UNITED STATES ravine Kem, oF New YORK, N'. Y..

WINDOW GRATING Application mea August 2, 1,927. serial No.. aiaol.

This invention4 relates to window gratings. One object of this inventionis to provide an imp-roved grating for awindow or door, having removablebars held in place by a locking mechanismthat anchors and reinforces thebars against any possible spreading-,as by the use of ya jimmy,crow-bar, or the like.

A further lobject of this invention is to provide a grating of thecharacter set 'forth having individually' removable bars and means tolock the bars in place and reinforcingly connect them together, so thatthe sawing oi abar or part ofthe locking means may 1-5 be insufficientto a-iord entrance through .the

rate.

g Still a `further' object of this invention is to lprovide a gratingthat can be rapidly rassembled or ydisassembled and comprises animproved locking device `formed4 of 'few and simple partshthat coact toform a neat con.- struction which is rugged and eiicient toa high degreein use.

@ther objects of this invention will in part be obviousr and. in parthereinafter pointed out.

.'fhewinvention accordingly consists in the features of construction,combinations of elements, and arrangement of `parts which will beeXem-pliiied in the construction hereinafter described7 and of which thescope .of application will be indicated in the following claimstheaccompanying drawing, in which is shownfone of the various possibleillustrative embodiments vof this invention,

Fig.A 1 is a view in elevation of an embodiment of. the inventionapplied to the interior side of a window in a door, with parts `brokenaway to illustrate the internal construction of the locking mechanism..

Fig...2wis a vertical sectional. view taken Von .line 2 2 of Fig. 1..

Fig. 3 is a plan sectional` view ofthe window .and grati-ng shown. in.Fig. 1, as seen along line 3 3.

Figs. 4" and 5 are horizontal sectional views talren on lines and 5 5respectively of ig.. 1'. 50 Fig.V Gis a view corresponding. to Fig. 1,

Figs. 8' and 9 are vertical sectional detail views taken on lines 8 8and 9 9 of Fig. 7, showing details of the improved locking mechanism.

Figs. 10 and 11 illustrate a modified method of connecting the bars ofthe 'grating at the top portions of said bars. f

Referring in detail to the drawingsyfl() denotes a grating embodying theinvention, shown applied on the interior side of any suitable frame 11about any opening to be guarded,` as, for instance, window 11a.` Saidgrating includes a pluarlity of vertical bars 1.2 removably supportedupon the base sec- 'tion 1.4 of casing A and retained in verticalposition .by being received at their vupper ends in the bracket 13', thebracket' 13 and base section 14 being secured to frame' 11 .by anysuitable fastening `means15. rlhe fastening means 15 securing bracket 13to frame 1'1 are positioned as shown in Figs. 1, 2`,`and 6', so thatthey are linaccessible when 'bars12 are supported in the grating.

The casing A is made'up of thebase section 14 and the cover section 16,the latter being removably received uponl the former to retain the rodslocked in position with respect to frame' The base section 14is ofangular cross-section Iand is provided with "end walls 17 preferably formed integral therewith. Formed in vthe horizontal portion 14a of basesection 14 are the recesses 2O intowh-ich the pins 19 formed on bars 12are receivable. End walls 17 and the vertical portion 14b`of basesection 14 are provided with a flanged edge por-tion 146 providing ashoulderl 14d 'upon which the edges ofcover section 16 are adapted toybe supported. End walls 17 are provided with grooves 27 andhoriz'ontalpor'- tion 14a isprovided with an opening 23 adapted tocooperate with parts on cover section 16 in the hereinafter describedmanner.

Cover sectionk 16 is of across-section simii lar to that of base section14, the vertical portion 16a thereof being provided with a tongue i' 22positioned for reception through opening preferably integral therewith.Said ribs are slidablyl received in grooves 27 when cover section 16 ispositioned and serve to restrain said section from any horizontalmovement, lThe tongue 22 has formed therein the perforation throughwhich, when tongue 22 has beenpassed through opening 23, a lock 24 maybe engaged to preventany vert-ical movement of section 16. lVhen coversection 16 has been positioned on base section 14, a box-likestructureis produced."

Bars 12, at their lower ends, are provided with the collars 18positioned above pins l19 andV fixed to bars 12 in any suitable manner.Pins 19 may be of thev saine thicknessasbars 12 or, as shown here,preferably of a reduced diameter form-ed by undercutting the end of saidbar. L

Cover 16 is cut away or otherwise formed to provide the notches 21 whichare of'suflicient width to pass around the bars 12 easily, but ofinsuiiicient width to permit passage of` collars 18. i' When bars 12have been properly arranged with pins 19 received in recesses 20, coversection 16 may be positioned over base section 14 with notches 21receiving bars 12, the under surface 'of the horizontal portion 16bbeing ,then in engagement with the upper surface of collars 18 and alsorestingon shoulder 14d. At the same time, ribs 26 and tongue 22 arereceived in grooves 27 and opening 23 respec- To provide for reinforcingthe bar structure against sidewise strain or deflection, in case an4unwarranted attempt be made to enlarge the opening, across member 28,made of -a flat strip of metal or the like ris provided,

located preferably on the interior side of the Vgrating and mounted onsaid bars inaparf ticular manner to permit reinovaltherefroin only undercertain predetermined circumstances. Bars 12 are provided with pins 29extending laterally from said,baispreferably at themid-sections thereof,said pins being provided with heads 29,a for the purposeherle-`ina'fterappearingl Said cross member is formed with a group of notches30 along its upper edge,'the opening of said notches pointe imgupwardly, whileanother group of notches Y31, out or formedin the loweredge of crossmember 28 has the openings thereof pointing downwardly.` Itis lto be understood that these notches need not be grouped in any par-'Nticular manner on cross member 28, vnor is ,there any necessary numberrelation involved in their mounting. A single notch 30 will effectivelycooperate with a plurality.V of

nnotches 31 and with the bars 12 to produce the 12. Notches-30, 31 aremade of considerable depth to provide greater security againstdisengagement of pins 29 from member 28. The bracket 13, of angularcross-section, is

-provided in the horizontal portion 13ZL thereof with through holes 32positioned to align with a notch 30er 31, a notch 21,and a'recess 2U.

c The assembly and manner of use of the d evice is easily madeapparentfrom the ,following: @ner end of each bar 12 is passed upward througha'hole 32 in the bracket 13 and then pin 19 of said bar is seated invrecess 2O of casing A; *For a more efficient assembly, bars 12 to beassociated with notches 31 are first positioned in the gratingwith theirpins 29 'positioned for reception rinnotches 31. Bars 12 to beassociatedwith'notches 30 are iiiountedviii a manner similar-to theother bars, but with their pins 29 rotated to one side,

as shown in Fig. 6. Cross-member'28'is now mounted on bars 12 with therespective pins 29 engaging the notches 31. By slightly lifting the bars12 having `pins 29 to engage notches 30 sothat said pins are raisedabove l the upper edgeof cross-ineinber 28, the bar 12 may be rotated sothat said pin will be in alignment with, and if allowed to fall, willslide into notch 30.

After the bars have been thus arranged,

cover member 16 inaybepositioned with notches 21 engaging bars 12v andcollars-18` engaged by said member to retain bars 12in a locked positionupon engaging lock 24 with tongue 2 2. v

lt, ofcourse, is understood that, if any ,of'bais 12 are to be'reinovedjfor any particular purpose, the'Y reverse operation Amust becarried'out. l' f Besides possessing the advantage of perL mitting the.removal of any bar, as may be 4 desired, said gratinghas'eXcellent-burglar proof qualities in that the-sawing of any of thebars or cross member, at any-point 'does not result in any disengagementofthe grating parts'. y Moreover, `the grating'is of simpleiiiaiiufactr-.rel adapted for heavy and strong construction.

In Figs. 7 to 9 is illustrated the improved i grating provided with amodified means vfor locking the cover section 116 Ato base section l 114in which plunger lock 33 is incorporated'. Said plunger lock,preferablykmounted interiorly of cover 116 aiidcentrally on thehorizontal portion 116b thereof, is provided atan end thereof with apluralityofunL i tegral' fingers 33a to engage detachably in recesses34ai of a hub 34. Hub 34, which is rotatably mounted on any suitablepivot means as, for instance, machine screw 35, rigidly secured tohorizontal wall 114" of base section 114, is provided with arms 36 and37 made integral therewith, or in any other manner secured thereto. Saidarms extend outwardly from said hub into openings 40 provided in bolts38, 39, with which said arms are adapted to have sliding and pivotalconnection. Said bolts rest on the base section 114a of the casing,being slidably mounted at opposite sides of said section in guides 41,and movable in opposite directions upon actuation of arms 36 and 37.When the bolts are projected, they engage with recesses 42 cut in lugs43 and 44, the former of which comprises an inwardly extending edgeportion 116c on the vertical wall 116a of cover section 116, while thelatter is provided by an arm 116d extending down from the horizontalportion 116'D of said section. Both lugs 43 and 44 are at the ends ofsaid cover section and in conjunction with the ribs and grooves 127,ensure^ rigid connection of the cover section to the base section.

In Figs. 10 and 11, a construction is illustrated for use in connectionwith such bars 12 as are adapted to connect with a notch 31. In thesecases, bars 112, preferably made with a flat end portion 45, areprovided with a through opening 46 having extending upwardly therefromthe slot 47. Instead of the extending horizontal portion 13a of bracket13, there is provided, in this modi ication, the pins 129, made integralwith, or in any other suitable manner, secured to bracket 113, said pinshaving heads 1291. Opening 46 of bar 112 is adapted to be moved overhead 129a and then bar 112 allowed to fall so that slot 47 moves overpin 129. Downward movement as caused, for instance, by the use of acrow-bar, on the upper ends of bars 112, is thereby eifectuallyprevented.

It will thus be seen that there is provided a device in which theseveral objects of this invention are achieved, and which is welladapted to meet the conditions of practical use.

As various possible embodiments might be made of the above invention,and as various changes might be made in the embodiment above set forth,it is to be understood that all matter herein set forth or shown in theaccompanying drawing is to be interpreted as illustrative and not in alimiting sense.

Having thus described my invention, I claim as new and desire to secureby Letters Patent t 1. A grating of the character described, comprisinga plurality of bars, means to support said bars removably, and means toreinforce said bars, said means having means for preventing longitudinalmovement of Said bars. 1 i

y2. A grating of the character described, comprising a plurality ofbars, means for an choring said bars including a casing at one end ofsaid bars, and a cover member for said casing, said cover havingopenings for slidably receiving the bars in the casing, and means onsaid bars for coacting with said cover for restraining longitudinalmovement of the bars.

3. A grating of the character described, comprising a pluralityof'parallel bars, and anchor means therefor including an angular memberhaving recesses formed to receive adjacent ends of said iirst mentionedbars, and an angular cover for said member and forming a casingtherewith, said bars having means coacting with said cover to preventwithdrawal of said bars from said casing.

4. A grating of the character described, comprising a plurality of bars,an anchor casing for said bars, said casing having openings to receiveportions of said bars, said bars having shoulder portions, said casingcomprising a member having openings to lock over said shoulder portionsand prevent movement of said bars.

5. A grating of the character described, comprising a plurality ofparallel bars, anchor means for said bars including an angular sectionto receive portions of said bars, said bars having shoulder portions,and an angular cover for said section adapted to form a casingtherewith, said cover having openings to receive said bars and being`formed to lock over said shoulders, and means to fasten saidv cover tosaid section.

6. A grating of the character described, comprising a plurality of bars,anchor means removably securing said bars, and a fixed cross memberengaging said bars, said cross member being disengageable from said barsonly when said bars are released fromv said anchor means.

7. A grating of the character set forth, comprising a plurality ofparallel bars, means removably anchoring said bars, said bars hav-` inglaterally extending pins, and a cross meniber having notches toremovably engage said pins, said notchesV opening in differentdirections, as and for the purpose described and specified. n

8. A grating of the character described, comprising a plurality ofparallel bars, and anchor means therefor including an angular sectionhaving elements to receive adjacent ends of said bars, an angular coverfor said section adapted to form a casing therewith, said bars havingshoulder portions, said cover yhaving openings to permit said cover tobe received around said bars and over said portions, means to lock thecover to the casing, said bars having laterally extending headed pins,and a cross bar having notches opening on different sides thereof toengage said pins.

I 9. A grating made u of removable bars, means for locking saidl arsagainst removal With respect to an opening to be guarded, said meansincluding a cross member, and pins'and .notches associated Withk saidbars and cross member.`

10. A grating made up of removable bars, means for locking said bars inplace in respect'to an opening to be guarded, said means including asectional casing mounted with respect to said opening, and means on saidbars for cooperation with one section of said casing to restrain saidbars. f 4

11. A grating made up of removable bars, means for locking said bars inplace in respect to an opening to be guarded, said means including asectional casing mounted With respect to said opening, and means on saidbars for cooperation With one section of said casing to restrain saidbars, and means for locking said sections to each other.

12. In a grating made up of a plurality of movable bars, means securedto said bars to changethe effective length of said bars, said meanscomprising a device for locking certain of said bars against verticalmovement.

13. A grating of the character described comprising a casing, barsremovably anchored in said casing, and single means for reinforcing allof said bars and simultaneously vto lock all of said bars With relationto each other.

14. A grating made up of removable bars, lmeans for locking said barsagainst removal With respect to an opening to be guarded, said meansincluding a cross member, and an interlocking arrangement 0n said barsand cross-member.

15. A grating made up of removable bars, means for locking saidbarseagainst removal With respect to an opening to be guarded, 'saidmeans including a cross member having a portion of an interlockingarrangement formed thereon.

16. A grating made up of removable bars, means for locking said bars,means for locking said bars against removalvvith respect to an openingyto be guarded, said means injcluding a cross-member having a-pluralityof notches formed therein.

17.r In a Window grating of the character described., incombination withgrating bars, means for xing saidlbars in lrelation to a Window opening,said means including a `casing and means in said casing for anchoringsaid bars to said casing, and means for reinforcing said bars, saidreinforcing means including means for preventing relative longitudinalmovement of said bars. y

In testimony whereof I affix my signature.

IRVINGr KEMP.

